Commit dea3cf1c authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: urquell: Handle EXTAL configuration here, too. 



urquell happens to use the same mode pins and EXTAL configuration as
SDK7786, so just copy it over.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent c8098218

arch/sh/boards/board-urquell.c

+24 −1
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 
 * Renesas Technology Corp. SH7786 Urquell Support.

 *

 * Copyright (C) 2008  Kuninori Morimoto <morimoto.kuninori@renesas.com>

 * Copyright (C) 2009  Paul Mundt

 * Copyright (C) 2009, 2010  Paul Mundt

 *

 * Based on board-sh7785lcr.c

 * Copyright (C) 2008  Yoshihiro Shimoda
@@ -19,6 +19,7 @@ 
#include <linux/delay.h>

#include <linux/gpio.h>

#include <linux/irq.h>

#include <linux/clk.h>

#include <mach/urquell.h>

#include <cpu/sh7786.h>

#include <asm/heartbeat.h>
@@ -175,6 +176,27 @@ static int urquell_mode_pins(void) 
	return __raw_readw(UBOARDREG(MDSWMR));

}



static int urquell_clk_init(void)

{

	struct clk *clk;

	int ret;



	/*

	 * Only handle the EXTAL case, anyone interfacing a crystal

	 * resonator will need to provide their own input clock.

	 */

	if (test_mode_pin(MODE_PIN9))

		return -EINVAL;



	clk = clk_get(NULL, "extal");

	if (!clk || IS_ERR(clk))

		return PTR_ERR(clk);

	ret = clk_set_rate(clk, 33333333);

	clk_put(clk);



	return ret;

}



/* Initialize the board */

static void __init urquell_setup(char **cmdline_p)

{
@@ -191,4 +213,5 @@ static struct sh_machine_vector mv_urquell __initmv = { 
	.mv_setup	= urquell_setup,

	.mv_init_irq	= urquell_init_irq,

	.mv_mode_pins	= urquell_mode_pins,

	.mv_clk_init	= urquell_clk_init,

};